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Can you "detune" a 115hp evinrude (1981)

scott h lonis

New member
I'm looking at a 1981 boat with a 115 Evinrude motor on it that has an 88hp hood. Story is previous owner got a ticket for speeding and geewhiz mechanic "de-tuned" it and put on a different hood!!! Haven't checked the compression yet, engine still has the original model plate is on the midsection, also haven't checked the model number on the casting plug plate on power head, owner says boat runs about 40 when trimmed out. Whadda you think?
 
yep...knock the timing back and put in thicker hd-gaskets,will kick its feet out fr under it!!....dog outa the hole tho....i'd want it back 100%.
 
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